Tim Farron: Like many other local authorities, South Lakeland district council would desperately love the autonomy to be able to scrap the second-home council tax subsidy, which costs the council tax payer in South Lakeland £12.5 million every year. At this time of hardship, difficulty and restraint, is it not time to look again at whether we should give a 10% subsidy to those who can afford it the most?